cork cambium
vascular cambium
endodermis
both (a) & (c)
B. vascular cambium
Column-I | Column-II |
---|---|
A. Stele | I. Innermost layer of cortex |
B. Endodermis | II. Suberin |
C. Casparian strips | III. All the tissues exterior to vascular cambium |
D. Bark | IV. All the tissues inner to endodermis |
A IV, B I, C II, D III
A III, B II, C I, D IV
A I, B II, C III, D IV
A IV, B II, C I, D III
In dicots vascular bundles are arranged in a ring.
Dicots have cambium for secondary growth.
In dicots vessels with elements are arranged end to end.
Cork cambium is present in dicots
Sap wood
Heart wood
Spring wood
Autumn wood
A Epidermal cells; B Subsidiary cells; C chloroplast
A Guard cells; B Subsidiary cells; C Stomatal pore
A Guard cells; B Epidermal cells; C Guard cells
A Epidermal cells; B Subsidiary cells; C Guard cells
pores on lateral walls.
presence of p-protein.
enucleate condition.
thick secondary walls.
show alternate rings of xylem and sclerenchyma.
have only conjunctive tissue and phloem is formed by the activity of cambium.
show distinct annual rings.
not show distinct annual rings.
Column-I | Column-II |
---|---|
A. Lateral meristem | (i) Fascicular vascular cambium, interfascicular cambium and cork cambium. |
B. Apical meristem | (ii) Produces dermal tissue, ground tissues and vascular tissue. |
C. Bast fibres | (iii) Generally absent in primary phloem but found in secondary phloem. |
D. Sap wood | (iv) Involved in the conduction of water and minerals from the root to leaf. |
A - (i), B - (ii), C - (iii), D - (iv)
A - (iii), B - (i), C - (ii), D - (iv)
A - (i), B - (iv), C - (iii), D - (ii)
A - (ii), B - (iv), C - (iii), D - (i)
A Parenchyma, Photosynthesis, Storage and Secretion.
B Sclerenchyma Scleriods; Transport food material
C Collenchyma; Provides mechanical support to organs.
D Sclerenchyma Fibres; Provide Mechanical support to the growing parts of the plant such as young stem and petiole of a leaf.
A Vascular structure, B Protoderm, C Root cap
A Cortex, B Endodermis, C Root cap
A Cortex, B Protoderm, C Root cap
A Tunica, B Protoderm, C Root cap
(iii) and (iv)
(i) and (ii)
(ii) and (iii)
(ii) and (iv)
Column-I | Column-II |
---|---|
A. Cuticle | I. Guard cells |
B. Bulliform cells | II. Outer layer |
C. Stomata | III. Waxy layer |
D. Epidermis | IV. Empty colourless cell |
A III, B IV, C I, D II
A I, B II, C III, D IV
A III, B II, C IV, D I
A III, B II, C I, D IV
With the help of bulliform cells.
With the help of casparian strips.
With the help of vascular bundles.
With the help of stomatal apparatus.
soil is sandy.
there is climatic variation.
there is no marked climatic variation.
there is enough moisture in the atmosphere.
cork cambium
vascular cambium
endodermis
both (a) & (c)
secondary xylem and phloem.
primary xylem and phloem.
secondary xylem only.
primary phloem and secondary xylem.
cambium
phloem fibres
thick-walled tracheids
xylem fibres
it gives rise to lateral branches.
it causes increase in girth.
it increases height and diameter of a plant.
it adds bulk to a plant.
Lateral meristem
Intercalary meristem
Primary meristem
Apical meristem
are surrounded by pericycle but not endodermis.
are capable of producing secondary xylem and phloem.
possess conjunctive tissue between xylem and phloem.
are not surrounded by pericycle.
Column-I | Column-II |
---|---|
(Structure) | (Function) |
A. Stomata | I. Protection of stem |
B. Bark | II. Plant movement |
C. Cambium | III. Secondary growth |
D. Cuticle | IV. Transpiration |
V. Prevent the loss of water | ... |
A V, B III, C I, D IV
A I, B IV, C V, D III
A II, B IV, C I, D III
A IV, B I, C III, D V
A
B
C
None of the above
A Epiblema, B Root hair, C Cortex, D Endodermis, E Pith, F Pericycle
A Cortex, B Pith, C Epiblema, D Endodermis, E Root hair, F Pericycle
A Epiblema, B Endodermis, C Cortex, D Root hair, E Pith, F Pericycle
A Cortex, B Epiblema, C Pith, D Endodermis, E Root hair, F Pericycle
cytoskeleton.
mitochondria.
endoplasmic reticulum.
chloroplasts.
in all the roots.
only in radicals.
only in tap roots.
only in adventitious roots.
roots, stems, leaves
stems, roots, leaves
leaves, stems, roots
leaves, stems, leaves
Column-I | Column-II |
---|---|
A. Xylem vessels | I. Store food materials |
B. Xylem tracheids | II. Obliterated lumen |
C. Xylem fibres | III. Perforated plates |
D. Xylem parenchyma | IV. Chisel-like ends |
A IV; B III; C II; D I
A III; B II; C I; D IV
A II; B I; C IV; D III
A III; B IV; C II; D I
conjoint, collateral, open polyarch vascular bundle.
exodermis, endarch, tetrarch closed vascular bundles.
suberized exodermis, casparian strip, passage cells, cambium.
suberized exodermis, polyarch xylem, pith.
A Leaf primordium, B Shoot apical meristem, C Axillary bud
A Leaf primordium, B Shoot apical meristem, C Apical bud
A Root hair primordium, B Root apical meristem, C Axillary bud
A Root hair primordium, B Root apical meristem, C Terminal bud
Column -I | Column -II |
---|---|
A. Bulliform cells | I. Initiation of lateral roots |
B. Pericycle | II. Root |
C. Endarch xylem | III. Grasses |
D. Exarch xylem | IV. Dicot leaf |
E. Bundle sheath cells | V. Stem |
A III, B V, C IV, D I, E II
A II, B V, C I, D III, E IV
A II, B IV, C I, D III, E V
A III, B I, C V, D II, E IV